def boxDemonstration(): myBox = Box(2.5, 5, 7.5) print("The box dimensions are h: {}, w: {}, l: {}".format( myBox.getHeight(), myBox.getWidth(), myBox.getLength())) print("The volume of the box is {} inches".format(myBox.calcVolume())) print("The surface area of the box is {} inches.".format( myBox.calcSurfaceArea()))